adj.古老的，远古的，无法追忆的

The immemorial rights of the indigenous people have been respected by the new government.
新政府尊重土著人民自古以来的权利。
Our family has held this land for generations, it's an immemorial part of our heritage.
这句话表示：这片土地我们家族世世代代拥有，它是我们的悠久传统的一部分。
The immemorial custom of sharing food during festivals is deeply rooted in our culture.
这句话说明：在节日里共享食物这一古老的习俗深深植根于我们的文化之中。
The immemorial laws of nature never cease to amaze us with their complexity and beauty.
这句话意味着：大自然永恒不变的法则以其复杂和美丽持续令人惊叹。
His ancestors' bravery lives on in his immemorial spirit of adventure.
这句话表达了：他的先祖们的勇敢精神在他永不磨灭的冒险精神中得以延续。
The immemorial peace treaty between nations is a testament to diplomacy's enduring power.
这句话说明：国家之间的永久和平条约是外交持久影响力的一个证明。
The ancient castle stands as an immemorial reminder of the kingdom's rich history.
古老的城堡作为这个王国丰富历史的不朽见证屹立在那里。
Their family tradition of storytelling has been passed down through the immemorial ages.
他们家族代代相传的故事传统经历了无数个岁月。
The immemorial art of calligraphy has been preserved and cherished in China for centuries.
书法这门古老的艺术在中国数百年来一直被保存并珍视。
The monument commemorates the immemorial struggle for freedom and equality.
这座纪念碑纪念为自由和平等进行的不朽斗争。